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authorChristoph Hellwig <hch@lst.de>2019-01-07 21:36:20 +0300
committerChristoph Hellwig <hch@lst.de>2019-02-13 21:12:33 +0300
commit347cb6af8710b72cf9685fdc09d07873cf42d51f (patch)
tree37927e976037dcea2141aef10cba34efe58d2655 /arch/arc
parent70ca7ba2dbe4f1858b85e30269c8408a8bb8f272 (diff)
downloadlinux-347cb6af8710b72cf9685fdc09d07873cf42d51f.tar.xz
dma-mapping: add a kconfig symbol for arch_setup_dma_ops availability
Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Paul Burton <paul.burton@mips.com> # MIPS Acked-by: Catalin Marinas <catalin.marinas@arm.com> # arm64
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/Kconfig1
-rw-r--r--arch/arc/include/asm/Kbuild1
-rw-r--r--arch/arc/include/asm/dma-mapping.h13
3 files changed, 2 insertions, 13 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 376366a7db81..2ab27d88eb1c 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -11,6 +11,7 @@ config ARC
select ARC_TIMERS
select ARCH_HAS_DMA_COHERENT_TO_PFN
select ARCH_HAS_PTE_SPECIAL
+ select ARCH_HAS_SETUP_DMA_OPS
select ARCH_HAS_SYNC_DMA_FOR_CPU
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select ARCH_SUPPORTS_ATOMIC_RMW if ARC_HAS_LLSC
diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild
index caa270261521..b41f8881ecc8 100644
--- a/arch/arc/include/asm/Kbuild
+++ b/arch/arc/include/asm/Kbuild
@@ -3,6 +3,7 @@ generic-y += bugs.h
generic-y += compat.h
generic-y += device.h
generic-y += div64.h
+generic-y += dma-mapping.h
generic-y += emergency-restart.h
generic-y += extable.h
generic-y += ftrace.h
diff --git a/arch/arc/include/asm/dma-mapping.h b/arch/arc/include/asm/dma-mapping.h
deleted file mode 100644
index c946c0a83e76..000000000000
--- a/arch/arc/include/asm/dma-mapping.h
+++ /dev/null
@@ -1,13 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// (C) 2018 Synopsys, Inc. (www.synopsys.com)
-
-#ifndef ASM_ARC_DMA_MAPPING_H
-#define ASM_ARC_DMA_MAPPING_H
-
-#include <asm-generic/dma-mapping.h>
-
-void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
- const struct iommu_ops *iommu, bool coherent);
-#define arch_setup_dma_ops arch_setup_dma_ops
-
-#endif